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LDEO Earth Science Colloquium: "Exploring Protoplanets from the Beginning of the Solar System: Dawn at Vesta"

Date:October 05, 2012 from 3:30 pm to 4:30 pm EDT
Location:Columbia University,
Lamont-Doherty Earth Observatory,
Monell Building Auditorium
Contact:For further information regarding this event, please contact Daehyun Kim by sending email to .
Info:Click Here to Visit Website.

The Earth Institute's Lamont-Doherty Earth Observatory Earth Science Colloquium presents "Exploring Protoplanets from the Beginning of the Solar System: Dawn at Vesta," with Carol Raymond, Dawn Deputy Principal Investigator, NASA Jet Propulsion Laboratory, California Institute of Technology. Open to the public.

The Dawn spacecraft reached Vesta, the second most massive asteroid in the main belt, in July of 2011, and has since returned a wealth of remarkable scientific findings. These have included the confirmation of Vesta as the parent body of a common class of meteorites (the Howardite-Eucrite-Diogenites), evidence for a substantial iron core, an impact record consistent with recent dynamical models driven by giant planet migration, and intriguing brightness and compositional variations. Vesta's nature is transitional between an asteroid (planetesimal) and a planet, and represents one of the oldest intact planetary building blocks from the beginning of the solar system. Dawn's novel ion-propulsion system allows the spacecraft to travel further and orbit the dwarf planet Ceres in 2015. 

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